<template>
 <div class="cartcontrol">
     <transition name="move">
         <div class="cart-decrease" v-show="food.count>0" @click.stop="decrease">
             <span class="inner icon-remove_circle_outline"></span>
         </div>
     </transition>
     <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop="add"></div>
 </div>
</template>

<script>
const EVENT_ADD = "add"
 export default {
     name: 'cart-control',
     props: {
         food: {
             type: Object,
         }
     },
     methods: {
         add(event){
             if(!this.food.count){
                 this.$set(this.food,'count',1)
             }else{
                 this.food.count++
             }
             this.$emit(EVENT_ADD,event.target)
         },
         decrease(){
             if(this.food.count){
                 this.food.count--
             }
         }
     },
   data () {
     return {

     }
   },
   components: {

   }
 }
</script>

<style lang="stylus" scoped>
@import "~common/stylus/variable"

  .cartcontrol
    display: flex
    align-items: center
    .cart-decrease
      display: inline-block
      padding: 6px
      opacity: 1
      .inner
        display: inline-block
        line-height: 24px
        font-size: $fontsize-large-xxx
        color: $color-blue
        transition: all 0.4s linear
        transform: rotate(0)
      &.move-enter-active, &.move-leave-active
        transition: all 0.4s linear
      &.move-enter, &.move-leave-active
        opacity: 0
        transform: translate3d(24px, 0, 0)
        .inner
          transform: rotate(180deg)
    .cart-count
      width: 12px
      line-height: 24px
      text-align: center
      font-size: $fontsize-small-s
      color: $color-grey
    .cart-add
      display: inline-block
      padding: 6px
      line-height: 24px
      font-size: $fontsize-large-xxx
      color: $color-blue
 
</style>
